本文通过公共治安秩序管理活动中，人民警察巡逻路线和方式；对群体性治安事件处置的具体方法；在处置个体引发治安事件过程中对负案潜逃的现行暴力性犯罪嫌疑人追缉堵截和聚捕围歼的方略等多种沙盘演示，使治安保卫专业教学收到了立体感强，直观形象强，内容简便灵活，安全可靠，适用范围广且节约人力财力的效果。 This article through the public security order management activities, the people’s police patrol route and way; on the group of public security incidents specific ways to deal with; in the process of handling individual security incidents on the existing case of absconded existing violent criminal suspects chase intercepting and gathering Surrounding and annihilation of the strategy and many other sand table demonstrations, so that public security professional teaching received a strong sense of three-dimensional, intuitive and strong image, content is simple and flexible, safe and reliable, wide range of applications and save human and financial results.